EP1108486B1 - Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu - Google Patents
Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu Download PDFInfo
- Publication number
- EP1108486B1 EP1108486B1 EP00126342A EP00126342A EP1108486B1 EP 1108486 B1 EP1108486 B1 EP 1108486B1 EP 00126342 A EP00126342 A EP 00126342A EP 00126342 A EP00126342 A EP 00126342A EP 1108486 B1 EP1108486 B1 EP 1108486B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- transport container
- individual
- station
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000012544 monitoring process Methods 0.000 title claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 7
- 239000002184 metal Substances 0.000 title claims abstract description 5
- 239000000155 melt Substances 0.000 title claims description 10
- 238000011156 evaluation Methods 0.000 claims abstract description 10
- 239000000969 carrier Substances 0.000 claims abstract description 6
- 238000005266 casting Methods 0.000 claims description 13
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000005094 computer simulation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims 1
- 239000011819 refractory material Substances 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000012384 transportation and delivery Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons
Definitions
- the invention relates to a method for monitoring the individual process flow of transport containers for metallic melt, in particular of the course of the process between the smelting unit and the casting station, as well as a system For this.
- Transport container for metallic melt serve as bridging the Routes between melting unit, such as an electric arc furnace or converter, and the casting station, for example a continuous caster.
- the metallurgical aftertreatment of steel is less in the modern day Melting unit, but largely in the ladle in downstream made of secondary metallurgical treatment stations. After emptying the melt enters the distributor of the continuous casting plant the ladle maybe after a short hot repair - back to their starting point, and a new work cycle begins.
- Such pans are lined with refractory material to the melt to isolate during transport and thus a low heat loss in particular during the relatively long casting and hanging times at the casting station to ensure.
- this heat loss determined during the casting process and by introducing superheating energy in the Melt must be balanced.
- Such wear processes are individually dependent on the number of work cycles, but also from the respective process route of each pan that determines is determined by the residence times of the steel in the pan as a result of transport time, Waiting times between the process stages or the treatment times within the process stages.
- the treatment temperatures also influence the Degree of wear.
- the PAJ-62 252 663 describes a method and a system for monitoring transport containers for molten metal along a process path. However, it remains unclear whether the pans are recorded individually or if only for example in the filling or casting position above the mold the presence of a Pan is registered.
- EP-A-0 027 237 Such a plant and method are also disclosed by EP-A-0 027 237 become known.
- the molds on a coding device which in different Stations can be read or scanned by a reader.
- the invention is therefore based on the object, a method and to provide a system of the generic type with which monitoring the individual process of each transport container automatically he follows.
- each individual transport container automatically identified by determining the data of at least one each transport container attached individual information carrier in the Passing the transport container to at least one, preferably several, stationarily arranged stations along the process route, as well as the independent Forwarding this combined location container information to a Evaluation system for computer-aided determination of transport container logistics and the parameter for subsequent processes.
- the recorded data will serve from a container to a specific location as a database for a computer model.
- a container to a specific location as a database for a computer model.
- the pan determines and depending thereon the parameters for subsequent Processes, in particular the setting of overheating temperatures during casting each melt and the time of re-delivery of the transport container with refractory material, determined.
- the proposed system includes this individual information carrier, with which the respective transport containers are provided for their identification, at least a station, which is arranged along the process route of the transport container is - preferably at the respective treatment stations of the melt -, these stations being provided with means for determining the data which is located on the information carriers of the transport container, wherein the transport container pass the stations with a given distance or spaced to wait for a certain period of time, as well as with funds for independently forwarding this information to computer-aided evaluation systems.
- the transport containers even the means of transmitting coded data to the respective ones Stations, preferably in the form of transponders according to claim 5.
- a transponder based on microwaves is proposed.
- the Identification data are arranged in the transponder, which is located on the transport container is, stored and transferred to the respective station when approaching.
- the distance between transport container and station can be between 3 and 10 m. Both the transponder and the station are with a rough environmental conditions matched thermal and mechanical Provided protection.
- Figure 1 shows a casting station 1 with two ladles 2a, 2b, which at a common Pan turret 3 are suspended for a Sequenzg screenprozeß.
- the ladle turret allows precise and fast positioning of the respective Pan above the distributor 4.
- Via the distributor 4 or via a dip tube 5 flows melt 6 in the arranged below the distributor mold 7 to Shaping of the melt as a slab, billet etc.
- each ladle 2a, 2b with a microwave transponder 8 On its outer surface or shell, each ladle 2a, 2b with a microwave transponder 8 provided. It is a transmitting and receiving device, after a received and evaluated request from a Station, here denoted by 9, an answer within the scope of the respective stored Container data issued to this.
- the communication between transponder 8 and station 9 with appropriate request system is here via a beam 10 made visible.
- a thermal camera 11 reads an individual one thermal pattern.
- the pan shell 12 in a Distance of about 100 mm by means of fasteners 13a, 13b a Plate 14 - for example, with dimensions of 1200 mm height and 500 mm Width - appropriate.
- the plate itself is made of refractory material.
- To go through natural convection of the passing air a decrease in the plate surface temperature
- To get the plate is at her pan pan opposite side provided with ribbed metallic elements 15. hereby surface temperatures of the plate are reached between 80 and 100 ° C, while the pan skirt has surface temperatures of about 200 ° C.
- Such a plate 14 is provided with a pattern unique to each container ( Figures 3 and 4).
- the thermal camera is the respective thermal Sample read out when a pan is near a thermal camera, which are arranged at the respective process stations, for example the Melting station, the station for secondary treatment of the melt and the Casting station according to Figure 1.
- the recorded thermal pattern is passed from this camera 11 to an evaluation system 16, in which the results the other patterns of the different stations also enter, here denoted by 17.
- these patterns are processed, and from the data obtained conclusions on, for example, the time pulled the next refractory delivery of the pan or the settings for calculated further processes and as a manipulated variable (18) to the appropriate Devices given, for example, to the melting unit for adjustment the corresponding overheating temperatures.
- This database is not just for Use of calculations for new deliveries of pans and calculations limited to overheating temperatures.
- the calculation is conceivable of all sizes that go into ladle logistics. For example, a failure Watching one of the pans, the process of the other pans can be coordinated and adapted to the new situation.
- FIGS. 3 and 4 each show a plate 114, 214 serving as information carrier used in the thermal pattern evaluation.
- the plate 114 of Figure 3 has a vorraastertes pattern 115, wherein due to the different choice of breakthroughs -
- only one breakthrough is designated 116 - an individual one Pattern emerges, which is characteristic in each case for a pan.
- the plate according to Figure 3 is characterized in that its pattern in the first and fourth Line from the top of each in the right column has no breakthrough.
- the left Column of each plate has perforations in each perforated window and serves as reference gaps 117, 217.
- the plate of Figure 4 is in this comparison not individualized.
- Such attached to the pan skirt allow this Plates the view of the pan skirt through the respective openings.
- a attached to the stations thermal camera detects when approaching a Pan a thermal pattern, resulting from hot areas and cooler Areas, depending on whether the respective breakthrough views allows the pan jacket.
- the currently recorded video image is - as described in Figure 2 - a Evaluation system supplied. Firstly, the number and arrangement the breakthroughs in the plate determines which pan it is for others can even draw conclusions about the formation of the thermal image be drawn on the nature of the refractory lining.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Control Of Conveyors (AREA)
- Warehouses Or Storage Devices (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Description
- Figur 1
- eine erste Ausführungsform des Systems mit einem Transponder am Transportbehälter;
- Figur 2
- eine zweite Ausführungsform des Systems auf Grundlage einer thermischen Musterauswertung.
Claims (9)
- Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze, insbesondere des Prozessverlaufs zwischen dem Schmelzaggregat und der Gießstation,
gekennzeichnet durch folgende Schritte
automatische Identifizierung jedes einzelnen Transportbehälters (2a, 2b, 12) durch Ermittlung der Daten mindestens eines an jedem Transportbehälter angebrachten individuellen Informationsträgers (8, 14, 114, 214) bei der Vorbeibewegung oder zeitweisen Wartens des Transportbehälters an mindestens einer ortsfest angeordneten Station (9, 11) entlang der Prozessroute,
selbstständige Weiterleitung dieser kombinierten Ort-Behälter-Informationen an ein Auswertesystem (16) zur rechnergestützten Ermittlung der Transportbehälterlogistik und der Parameter für nachfolgende Prozesse in Abhängigkeit des individuellen Prozessverlaufs eines jeden Transportbehälters. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Daten des Prozessverlaufs von Stahlgießpfannen (2a, 2b, 12) nach Route und Zeitintervallen von dem Schmelzaggregat bis zur Gießstation (1) sowie zurück aufgenommen werden, dass diese als Datengrundlage in ein Rechnermodell eingehen und in Abhängigkeit davon die notwendigen Überhitzungstemperaturen beim Gießen jeder Schmelze sowie der Zeitpunkt der Neuzustellung des Transportbehälters mit wärmedämmendem Material rechnergestützt ermittelt werden. - System zur Durchführung des Verfahrens nach Anspruch 1 zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze, insbesondere des Prozessverlaufs zwischen dem Schmelzaggregat und der Gießstation,
umfassend
individuelle Informationsträger (8, 14, 114, 214), mit denen die jeweiligen Transportbehälter (2a, 2b, 12) zu ihrer Identifizierung versehen sind,
mindestens eine Station (9, 11), die entlang der Prozessroute der Transportbehälter angeordnet ist, mit Mitteln (9a, 11a) zur Ermittlung der auf den Informationsträgern gegebenen Daten der sich an den Stationen vorbeibewegenden oder an diesen für einen bestimmten Zeitraum wartenden Transportbehälter sowie
Mittel zur selbstständigen Weiterleitung dieser Informationen an rechnergestützte Auswertesysteme (16) zur Bestimmung der Transportbehälterlogistik und der Parameter für nachfolgende Prozesse in Abhängigkeit der aufgenommenen und verarbeiteten Daten über den jeweils, auf seiner individuellen Prozessroute verfolgten Transportbehälter. - System nach Anspruch 3,
dadurch gekennzeichnet, dass der jeweilige Transportbehälter Mittel (8) zur Übertragung von Daten an die jeweilige Station (9) aufweist. - System nach Anspruch 3,
dadurch gekennzeichnet, dass die jeweilige Station (11) mit Auslesemitteln (11a) für die Daten auf den Informationsträger (14, 114, 214) versehen sind. - System nach Anspruch 4,
dadurch gekennzeichnet, dass der Informationsträger eine Sende- und Empfangseinrichtung (8) umfasst, die an dem Transportbehälter (2a, 2b) angebracht ist und die nach einer empfangenen und ausgewerteten Anfrage von einer Station eine Antwort im Umfang der Behälterdaten an diese erteilt. - System nach Anspruch 5,
dadurch gekennzeichnet, dass der Informationsträger eine Platte (14, 114, 214) umfasst, die mit einem Abstand an dem Mantel des Transportbehälters angeordnet ist und die mit einem Muster versehen ist, das den jeweiligen Behälter individualisiert, und dass die Informationsaufnahmemittel an den Stationen (11) Kameras (11a) zum Lesen der individuellen Muster umfassen. - System nach Anspruch 7,
dadurch gekennzeichnet, dass die Platte mit einem durch Durchbrüche eingebrachten und individualisierten Muster versehen ist, und Thermokameras das sich ergebende thermische Muster auslesen. - System nach Anspruch 8,
dadurch gekennzeichnet, dass die Platte aus Feuerfestmaterial besteht und an ihrer vom Transportbehältermantel abgewandten Seite mit gerippten metallischen Elementen (15) belegt ist zur Einstellung einer im Verhältnis zum Behältermantel niedrigeren Temperatur.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19960594A DE19960594A1 (de) | 1999-12-16 | 1999-12-16 | Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu |
DE19960594 | 1999-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1108486A1 EP1108486A1 (de) | 2001-06-20 |
EP1108486B1 true EP1108486B1 (de) | 2005-10-19 |
Family
ID=7932817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00126342A Expired - Lifetime EP1108486B1 (de) | 1999-12-16 | 2000-12-02 | Verfahren zur Überwachung des individuellen Prozessverlaufs von Transportbehältern für metallische Schmelze sowie System hierzu |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1108486B1 (de) |
AT (1) | ATE306997T1 (de) |
DE (2) | DE19960594A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10153989A1 (de) * | 2001-11-06 | 2003-05-22 | Convenience Food Sys Wallau | Vorrichtung und Verfahren zur Verbesserung der Produktqualität |
DE202014008915U1 (de) * | 2014-11-11 | 2014-12-08 | Siemens Vai Metals Technologies Gmbh | Halterung zur Aufnahme mindestens einer Identfikationsmarke und metallurgisches Gefäß mit einer solchen Halterung sowie Identifikationsmarke |
DE102016112175B3 (de) * | 2016-07-04 | 2017-12-28 | Salzgitter Flachstahl Gmbh | Verfahren zur Optimierung der Abläufe in einem Schmelzbetrieb mittels Positionserfassung von Transportbehältnissen in Echtzeit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2379341A1 (fr) * | 1977-02-03 | 1978-09-01 | Citroen Sa | Installation et procede pour l'identification des moules d'une ligne de fonderie |
CH641987A5 (de) * | 1979-10-12 | 1984-03-30 | Fischer Ag Georg | Einrichtung zur ueberwachung von giessformeinheiten einer giessstrasse. |
JPS62252663A (ja) * | 1986-04-25 | 1987-11-04 | Kobe Steel Ltd | 溶鋼鍋トラツキング装置 |
-
1999
- 1999-12-16 DE DE19960594A patent/DE19960594A1/de not_active Withdrawn
-
2000
- 2000-12-02 EP EP00126342A patent/EP1108486B1/de not_active Expired - Lifetime
- 2000-12-02 AT AT00126342T patent/ATE306997T1/de not_active IP Right Cessation
- 2000-12-02 DE DE50011366T patent/DE50011366D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50011366D1 (de) | 2005-11-24 |
ATE306997T1 (de) | 2005-11-15 |
EP1108486A1 (de) | 2001-06-20 |
DE19960594A1 (de) | 2001-06-21 |
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